Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Forward Clutch Cylinder
Special Tool(s)
Dial Indicator Gauge with
Holding Fixture
100-002 (TOOL-4201-C) or
equivalent
Compressor, Clutch Spring
307-096 (T81P-70235-A)
Protector, Transmission
Forward Clutch Outer Fluid
Seal
307-423
M ...
Sprockets
1. WARNING: To avoid the possibility of personal injury or damage
to the vehicle, do
not operate the engine with the hood open until the fan blade has been
examined for
possible cracks and separation.
NOTE: Specifications show the expected minimum or ma ...
Handles, Locks, Latches and Mechanisms
General Specifications
Torque Specifications
LOCK REPAIR/REPLACEMENT SPECIFICATIONS
...
